CN211564712U - Hydraulic reciprocating saw oil supply device - Google Patents
Hydraulic reciprocating saw oil supply device Download PDFInfo
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- CN211564712U CN211564712U CN201920461427.XU CN201920461427U CN211564712U CN 211564712 U CN211564712 U CN 211564712U CN 201920461427 U CN201920461427 U CN 201920461427U CN 211564712 U CN211564712 U CN 211564712U
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Abstract
The utility model discloses a hydraulic reciprocating saw oil supply device, which comprises a reducing short pipe and an oil supply mechanism, wherein the inner sides of the two ends of the reducing short pipe are provided with internal thread structures, one end of the reducing short pipe is matched with a lubricating oil filling port of a main saw frame of a hydraulic motor of a hydraulic reciprocating saw, and the other end of the reducing short pipe is matched with the lower end of the oil supply mechanism; the oil supply mechanism comprises a cup body, a needle valve and a handle, the cup body is of a cylindrical transparent structure, a sleeve is mounted in the middle of the cup body, an oil outlet is formed in the cup body at the lower end of the sleeve, the needle valve is mounted in the sleeve, the upper end of the needle valve extends out of the cup body and then is hinged to the handle, the lower end of the needle valve is matched with the oil outlet, the needle valve can be driven to open or close the oil outlet through the handle, a through hole is formed in the lower portion. Through the utility model discloses can provide sufficient, continuous lubricating oil for hydraulic motor and the axle sleeve action of hydraulic pressure reciprocating saw, make lubricated more reliable, effectual, guarantee cutting efficiency and quality, extension equipment life.
Description
Technical Field
The utility model belongs to the technical field of hydraulic means, a reciprocating saw lubricating mechanism's improvement is related to, especially, relate to a hydraulic reciprocating saw oil supply unit.
Background
The hydraulic reciprocating saw is also called as a guillotine type pipe saw, and is different from an electric reciprocating saw which is mainly used for cutting wood and metal sectional materials, and the hydraulic reciprocating saw is driven by hydraulic pressure, can not generate static electricity phenomenon, has good safety, and is widely used in special places such as gas and petroleum transmission pipelines.
Due to the requirement of the use safety of natural gas, most of the delivery pipes from the gas source to users are buried underground. In the operation of a natural gas conveying pipe network, leakage faults caused by corrosion, damage and the like of a pipeline are main types of gas emergency repair, most of conveying pipes are buried underground, the ground needs to be excavated in the emergency repair process, the workload is large, and the field condition is poor. The hydraulic reciprocating saw needs small working space, and can effectively exert the advantages of high efficiency and good safety in the cutting treatment of the gas pipe, thereby being widely applied to the gas leakage rush-repair treatment.
The existing hydraulic reciprocating saw consists of a main saw frame component, a saddle component and a hydraulic motor component, wherein the saw frame component is arranged on the front side of the main saw frame component, a saw blade is arranged at the lower end of the saw frame component, and the saw blade is driven by the hydraulic motor component to form reciprocating motion so as to cut a gas pipe; saddle subassembly and hydraulic motor subassembly are installed in the rear side of main hack saw frame subassembly, and saddle subassembly drives main hack saw frame subassembly, the whole downward movement of hack saw frame subassembly, and the saw blade is along with moving down and moving forward, finally cuts off the gas pipe simultaneously.
The hydraulic motor is a power device of the hydraulic reciprocating saw, a rotating shaft of the hydraulic motor penetrates through a main saw frame and then is meshed with a reduction gear through a high-speed gear, the reduction gear drives a saw frame component to move, the rotating shaft of the hydraulic motor is matched with a shaft sleeve integrated with the main saw frame, a lubricating oil filling port is formed in the matching part of the corresponding shaft sleeve and the hydraulic motor on the main saw frame, and the lubricating oil filling port is usually added through an oil gun before use; in addition, because the rotating shaft of the hydraulic motor has higher rotating speed, the shaft sleeve and the main saw frame are easy to wear and deform under the condition of lacking sufficient lubrication, and the hydraulic reciprocating saw is damaged and scrapped.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hydraulic reciprocating saw oil supply unit for solve because lubricating oil is not enough, lead to the problem that the hydraulic motor pivot and axle sleeve, the main saw frame of current hydraulic reciprocating saw easily take place wearing and tearing and damage.
In order to realize the utility model discloses an aim at, adopt following technical scheme:
the hydraulic reciprocating saw oil supply device comprises a reducing short pipe and an oil supply mechanism, wherein the inner sides of two ends of the reducing short pipe are respectively provided with an internal thread structure, one end of the reducing short pipe is matched with a lubricating oil filling port of a main saw frame of a hydraulic motor of the hydraulic reciprocating saw, and the other end of the reducing short pipe is matched with the lower end of the oil supply mechanism; the oil supply mechanism comprises a cup body, a needle valve and a handle, the cup body is of a cylindrical transparent structure, a sleeve is mounted in the middle of the cup body, an oil outlet is formed in the cup body at the lower end of the sleeve, the needle valve is mounted in the sleeve, the upper end of the needle valve extends out of the cup body and then is hinged to the handle, the lower end of the needle valve is matched with the oil outlet, the needle valve can be driven to open or close the oil outlet through the handle, a through hole is formed in the lower portion.
In order to further improve the utility model discloses an effect can also adopt following technical scheme:
according to the oil supply device of the hydraulic reciprocating saw, the weight piston for pressurizing lubricating oil is arranged in the cup body, and the inner ring and the outer ring of the weight piston are respectively in sealing connection with the sleeve and the cup body through the sealing rings.
According to the oil supply device of the hydraulic reciprocating saw, the weight piston is made of lead or copper materials, and the weight range of the weight piston is 200-300 g.
According to the oil supply device of the hydraulic reciprocating saw, the cup body is provided with the detachable upper cover, and the upper cover is fixedly connected with the sleeve.
The oil supply device of the hydraulic reciprocating saw comprises a cup body with the capacity of 50cm3Or 100cm3。
The utility model has the advantages that:
1. through the utility model discloses can provide sufficient, continuous lubricating oil for hydraulic pressure reciprocating saw's hydraulic motor and axle sleeve action, and change the fat lubrication of former system into oil lubrication, make lubricated more reliable, effectual, avoid the pivot to the wearing and tearing of axle sleeve, main sash, guarantee cutting efficiency and quality, extension equipment life. Meanwhile, the lubricating liquid level and the consumption in the cup body of the oil supply mechanism can be directly observed, and the cup body can be filled with 100cm at one time3The lubricating oil quantity is convenient to operate, manage and maintain.
2. Because lubricating oil has certain adhesion, consequently, set up the pouring weight piston in the cup, pouring weight piston inner circle, outer lane realize sealing connection through sealing washer and sleeve, cup respectively, utilize the self weight of pouring weight piston to extrude lubricating oil, strengthen the flow property of lubricating oil to guarantee more abundant lubricating oil filling and lubricated effect.
Drawings
FIG. 1 is a schematic view of a prior art hydraulic reciprocating saw;
fig. 2 is a schematic structural diagram of the present invention.
Reference numerals: 1-reducing short pipe, 2-oil supply mechanism, 21-cup body, 22-needle valve, 23-handle, 24-sleeve, 25-oil outlet, 26-through hole, 27-upper cover, 3-weight piston, 4-main saw frame component, 5-saw frame component, 51-saw blade, 6-saddle component and 7-gas pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the hydraulic reciprocating saw generally comprises a main saw frame assembly 4, a saw frame assembly 5, a saddle assembly 6 and a hydraulic motor assembly, wherein a saw blade 51 is mounted at the lower end of the saw frame assembly 5 and integrally reciprocates relative to the main saw frame, when the gas pipe 7 is cut, the hydraulic motor assembly drives the saw frame assembly 5 and the saw blade 51 to move to cut the wall of the gas pipe 7, and the saddle assembly 6 is used for propelling the main saw frame to move downwards, so that the saw blade 51 progressively cuts the gas pipe downwards, and finally the gas pipe 7 is completely cut off.
Referring to fig. 2, the oil supply device for the hydraulic reciprocating saw disclosed in this embodiment includes a reducing short tube 1 and an oil supply mechanism 2, where the reducing short tube 1 is used to connect the oil supply mechanism 2 and a lubricating oil filling port of a main saw frame of a hydraulic motor of the hydraulic reciprocating saw, so as to continuously and sufficiently supply lubricating oil to a rotating shaft, a shaft sleeve and the main saw frame of the hydraulic motor, and avoid wear damage of a contact part.
As shown in fig. 2, the specific structure and the connection mode of the two ends of the reducing short pipe 1 in this embodiment are as follows, the inner sides of the two ends of the reducing short pipe 1 are both provided with internal thread structures, one end of the reducing short pipe 1 is adapted to a lubricating oil filling port of a main saw frame of a hydraulic reciprocating saw hydraulic motor, and the other end of the reducing short pipe 1 is adapted to the lower end of an oil supply mechanism 2.
With reference to fig. 2, the oil supply mechanism 2 of the present embodiment includes a cup body 21, a needle valve 22 and a handle 23, the cup body 21 is a cylindrical transparent structure, a sleeve 24 is installed in the middle of the cup body 21, the cup body 21 at the lower end of the sleeve 24 is provided with an oil outlet 25, the needle valve 22 is installed in the sleeve 24, the upper end of the needle valve 22 extends out of the cup body 21 and then is hinged to the handle 23, the lower end of the needle valve 22 is adapted to the oil outlet 25, the needle valve 22 can be driven by the handle 23 to open or close the oil outlet 25, a through hole 26 is formed in the lower portion.
Specifically, before the hydraulic reciprocating saw is used, the oil filling port on the cup body 21 is opened, lubricating oil is added into the cup body 21 through an oil gun or a rubber oil bucket, after the lubricating oil normally flows into the main saw frame lubricating oil filling port, the hydraulic reciprocating saw is started to work, and the operations are usually prepared in advance in daily maintenance or actual use. As shown in fig. 2, when the handle 23 and the needle valve 22 are at a nearly vertical angle, the needle valve 22 is tensioned upward by the spring, the lower end of the needle valve 22 is separated from the oil outlet 25, the oil supply mechanism 2 is in an open state, and the lubricating oil in the cup body 21 can continuously supply the lubricating oil through the through hole 26, the oil outlet 25 and the variable diameter short pipe 1. When the hydraulic reciprocating saw stops working or is stored in an idle mode, the handle 23 is rotated to be close to the needle valve 22 and overlapped into a straight line, the lower end of the handle 23 downwards extrudes the needle valve 22, the lower end of the needle valve 22 is tightly attached to the oil outlet 25, the oil outlet 25 can be completely blocked, and a lubricating oil passage between the cup body 21 and the reducing short pipe 1 is blocked.
Through the utility model discloses can provide sufficient, continuous lubricating oil for hydraulic pressure reciprocating saw's hydraulic motor and axle sleeve action, and change the fat lubrication of former system into oil lubrication, make lubricated more reliable, effectual, avoid the pivot to the wearing and tearing of axle sleeve, main sash, guarantee hydraulic pressure reciprocating saw's cutting efficiency and quality, increase of service life. Meanwhile, the lubricating liquid level and the consumption in the cup body 21 of the oil supply mechanism 2 can be directly observed, and the cup body 21 can be filled with 100cm at one time3The lubricating oil quantity is convenient to operate, manage and maintain.
As shown in fig. 2, in the present embodiment, the lubricating oil filling effect is improved, and the lubricating oil has a certain adhesion property, so that the weight piston 3 is disposed in the cup body 21, the inner ring and the outer ring of the weight piston 3 are respectively connected to the sleeve 24 and the cup body 21 in a sealing manner through the sealing ring, and the lubricating oil is squeezed by the self weight of the weight piston 3, so as to enhance the flowing property of the lubricating oil, thereby ensuring more sufficient lubricating oil filling and lubricating effects. The weight piston 3 is made of lead or copper material, and the weight range is 200-300 g.
Further, the cup body 21 in this embodiment has a detachable upper cover 27, and the upper cover 27 is fixedly connected to the sleeve 24. With upper cover 27 and fixed connection, pass through the stopper anticreep on the sleeve 24 with pouring weight piston 3 simultaneously, make upper cover 27, sleeve 24, needle valve 22 and pouring weight piston 3 can be dismantled by whole, conveniently add the lubricating oil of maximum capacity or clear up the maintenance to cup 21 inner wall in to cup 21, simultaneously, in order to reduce this hydraulic pressure reciprocating saw oil supply unit's volume and weight, this implementationIn the example, the volume is 100cm3The cup body 21.
The technical contents not described in detail in the present invention are all known techniques.
Claims (5)
1. The hydraulic reciprocating saw oil supply device is characterized by comprising a reducing short pipe and an oil supply mechanism, wherein inner sides of two ends of the reducing short pipe are respectively provided with an internal thread structure, one end of the reducing short pipe is matched with a lubricating oil filling port of a main saw frame of a hydraulic motor of a hydraulic reciprocating saw, and the other end of the reducing short pipe is matched with the lower end of the oil supply mechanism; the oil supply mechanism comprises a cup body, a needle valve and a handle, the cup body is of a cylindrical transparent structure, a sleeve is mounted in the middle of the cup body, an oil outlet is formed in the cup body at the lower end of the sleeve, the needle valve is mounted in the sleeve, the upper end of the needle valve extends out of the cup body and then is hinged to the handle, the lower end of the needle valve is matched with the oil outlet, the needle valve can be driven to open or close the oil outlet through the handle, a through hole is formed in the lower portion.
2. The hydraulic reciprocating saw oil supply device as defined in claim 1, wherein a weight piston for pressurizing the lubricating oil is provided in the cup body, and an inner ring and an outer ring of the weight piston are sealingly connected to the sleeve and the cup body through a seal ring, respectively.
3. The hydraulic reciprocating saw oil supply device of claim 2, wherein the weight piston is made of lead or copper material and has a weight ranging from 200 g to 300 g.
4. The hydraulic reciprocating saw oil supply of claim 1 wherein the cup has a removable top cover fixedly attached to the sleeve.
5. The hydraulic reciprocating saw oil supply of claim 1 wherein the cup has a capacity of 50cm3Or 100cm3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920461427.XU CN211564712U (en) | 2019-04-04 | 2019-04-04 | Hydraulic reciprocating saw oil supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920461427.XU CN211564712U (en) | 2019-04-04 | 2019-04-04 | Hydraulic reciprocating saw oil supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211564712U true CN211564712U (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920461427.XU Active CN211564712U (en) | 2019-04-04 | 2019-04-04 | Hydraulic reciprocating saw oil supply device |
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| Country | Link |
|---|---|
| CN (1) | CN211564712U (en) |
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2019
- 2019-04-04 CN CN201920461427.XU patent/CN211564712U/en active Active
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